diff --git a/__tests__/context.test.ts b/__tests__/context.test.ts
index f91af93..e9b5207 100644
--- a/__tests__/context.test.ts
+++ b/__tests__/context.test.ts
@@ -176,7 +176,7 @@ test.each([
   ['true', 'true'],
   ['auto', 'auto'],
   ['""', 'auto']
-])('getAuthList keeps registry-auth ecr: %s', async (ecr, expected) => {
+])('getAuthList normalizes registry-auth ecr: %s', (ecr, expected) => {
   const [auth] = getAuthList({
     registry: '',
     username: '',
diff --git a/__tests__/docker.test.ts b/__tests__/docker.test.ts
index 8df7e77..4ad2d90 100644
--- a/__tests__/docker.test.ts
+++ b/__tests__/docker.test.ts
@@ -2,8 +2,6 @@ import {afterEach, expect, test, vi} from 'vitest';
 
 import {Docker} from '@docker/actions-toolkit/lib/docker/docker.js';
 
-import * as aws from '../src/aws.js';
-import {getAuthList} from '../src/context.js';
 import {login, loginStandard, logout} from '../src/docker.js';
 import * as dockerhub from '../src/dockerhub.js';
 
@@ -94,30 +92,3 @@ test('logout calls exec', async () => {
     ignoreReturnCode: true
   });
 });
-
-test('login uses standard login for an ECR registry with registry-auth ecr: false', async () => {
-  const execSpy = vi.spyOn(Docker, 'getExecOutput').mockResolvedValue({
-    exitCode: 0,
-    stdout: '',
-    stderr: ''
-  });
-  const ecrSpy = vi.spyOn(aws, 'getRegistriesData').mockRejectedValue(new Error('AWS SDK called'));
-
-  const [auth] = getAuthList({
-    registry: '',
-    username: '',
-    password: '',
-    scope: '',
-    ecr: '',
-    logout: true,
-    registryAuth: '- registry: 012345678910.dkr.ecr.eu-west-3.amazonaws.com\n  username: AWS\n  password: token\n  ecr: false\n'
-  });
-  await login(auth);
-
-  expect(ecrSpy).not.toHaveBeenCalled();
-  expect(execSpy).toHaveBeenCalledWith(['login', '--password-stdin', '--username', 'AWS', '012345678910.dkr.ecr.eu-west-3.amazonaws.com'], {
-    input: Buffer.from('token'),
-    silent: true,
-    ignoreReturnCode: true
-  });
-});
diff --git a/src/context.ts b/src/context.ts
index e03973b..f1f0d8a 100644
--- a/src/context.ts
+++ b/src/context.ts
@@ -62,7 +62,6 @@ export function getAuthList(inputs: Inputs): Array<Auth> {
         username: auth.username,
         password: auth.password,
         scope: auth.scope,
-        // YAML parses an unquoted `ecr: false` as a boolean, keep it instead of falling back to auto
         ecr: String(auth.ecr ?? '') || 'auto',
         configDir: scopeToConfigDir(registry, auth.scope)
       };